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Citation: Zhengwei Luo, Hui Jiang, Longzhi Hu, Dan Li, Wenhua Geng, Ping Wei. Effect of N2/Ar plasma treatment on the visible light photocatalytic activity of CuO/TiO2[J]. Chinese Journal of Catalysis, ;2014, 35(10): 1752-1760. doi: 10.1016/S1872-2067(14)60143-1 shu

Effect of N2/Ar plasma treatment on the visible light photocatalytic activity of CuO/TiO2

  • 1.

    College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, Jiangsu, China

  • Corresponding author: Wenhua Geng, 
  • Received Date: 27 March 2014
    Available Online: 12 May 2014

    Fund Project:

  • The effect of N2/Ar dielectric barrier discharge plasma on the photocatalytic activity of CuO/TiO2 under visible light irradiation was studied. The photocatalysts were characterized by X-ray diffraction, ultraviolet-visible spectrophotometry, transmission electron microscopy, X-ray photoelectron spectroscopy, and electron paramagnetic resonance spectroscopy. The plasma parameters including gas composition, treatment time, and plasma power were investigated. The activities of the plasma-treated photocatalysts were evaluated by the photodegradation of methyl orange under visible light illumination. The optimal operation conditions were N2:Ar = 8:2, treatment time of 20 min, and a discharge current of 1.0 A. Simulated mercury-containing wastewater was treated by the photocatalysts.
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